Home / 2,777.75-4,166.66-1,622.69

Finding the Fourth Proportional to 2,777.75, 4,166.66 and 1,622.69

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Solution

The fourth proportional to 2,777.75, 4,166.66 and 1,622.69 is: 2,434.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777.75 : 4,166.66 = 1,622.69 : x
  2. Step 2: Convert to fraction form
    2,777.75/4,166.66 = 1,622.69/x
  3. Step 3: Cross multiply
    2,777.75x = 4,166.66 × 1,622.69
  4. Step 4: Simplify right side
    2,777.75x = 6,761,197.52
  5. Step 5: Solve for x
    x = 6,761,197.52/2,777.75
  6. Step 6: Final answer
    x = 2,434.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.